TY - BOOK AU - Braida,Louis D. ED - Massachusetts Institute of Technology. Research Laboratory of Electronics. Communications Biophysics Group. ED - American Speech-Language-Hearing Association TI - Hearing aids: a review of past research on linear amplification, amplitude compression, and frequency lowering T2 - ASHA monographs ; no AV - RF300 .M35 1980 PY - 1979///-[c1980] CY - Rockville, Md. PB - American Speech-Language-Hearing Assn. KW - Hearing aids KW - Local ER -